details |
Permian |
|
England |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
details |
Hettangian |
Toarcian |
England |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
details |
Liassic |
|
England |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
details |
Hettangian |
Sinemurian |
England |
Wilkinson,I.P. et al. Offshore micropalaeontological biostratigraphy of southern and western Britain. |
1980 |
details |
Hettangian |
|
England |
Riley,L.A. et al. Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic. |
1972 |
details |
Sinemurian |
|
England |
Riley,L.A. et al. Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic. |
1972 |
details |
Pliensbachian |
|
England |
Riley,L.A. et al. Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic. |
1972 |
details |
Toarcian |
|
England |
Riley,L.A. et al. Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic. |
1972 |
details |
Albian |
|
Canada(Yukon) |
Norford,B.S. et al. Biostratigraphic determinations of fossils from the subsurface of the Yukon Territory and the District of MacKenzie |
1971 |
details |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
details |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Recurrent species Groupings in fossil Micro-Plankton assemblages |
1971 |
details |
Late Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group, central Alberta, Canada. I. Introductory remarks. Geology and microplankton studies. |
1971 |
details |
Early Ypresian |
|
Belgium |
De Coninck,J. Organic walled microfossils of the Lower Ypresian of Quenast. |
1986 |
details |
Ypresian |
|
Belgium |
De Coninck,J. Dinophyceae and acritarcha from the Ypresian of the Kallo Boring. |
1969 |
details |
Ypresian |
|
Belgium |
De Coninck,J. Dinophyceae and acritarcha from the Ypresian of the Kallo Boring. |
1969 |
details |
Ypresian |
|
Belgium |
De Coninck,J. Ypresian organic walled microfossils from the Belgian Basin. |
1975 |
details |
Late Cenomanian |
Middle Turonian |
Arizona |
Jones,R.E. Taxonomic treatment of dinoflagellates and acritarchs from the Mancos Shale, (Upper Cretaceous), of the Southwetern United States. |
1976 |